UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gy8u+jey3TC8HUIfG+NmwQtPAF9x8GGnOn0nYY+zAD0=' 
WHERE 
  key_id = 'b51c348efce3d9dd519f5bb4b1360554668b07074eddbb95f05917ea89cde67b' 
  AND (
    token = 'gy8u+jey3TC8HUIfG+NmwQtPAF9x8GGnOn0nYY+zAD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )